CN220149047U - Support rod replacing device for wheel set - Google Patents
Support rod replacing device for wheel set Download PDFInfo
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- CN220149047U CN220149047U CN202321190150.4U CN202321190150U CN220149047U CN 220149047 U CN220149047 U CN 220149047U CN 202321190150 U CN202321190150 U CN 202321190150U CN 220149047 U CN220149047 U CN 220149047U
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- top end
- support rod
- sliding block
- supporting rod
- wheel set
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- 230000007246 mechanism Effects 0.000 claims abstract description 26
- 230000000903 blocking effect Effects 0.000 claims description 6
- 230000000087 stabilizing effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 12
- 230000008569 process Effects 0.000 abstract description 10
- 230000008859 change Effects 0.000 abstract description 2
- 238000012423 maintenance Methods 0.000 abstract description 2
- 229910000831 Steel Inorganic materials 0.000 description 3
- 230000009471 action Effects 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a wheel set support rod replacement device, and relates to the technical field of safety maintenance. The wheel set replacing support rod device comprises a tubular upper support rod and a tubular lower support rod, wherein the upper support rod and the lower support rod are coaxial, the head and the tail are in threaded connection, a wheel set is arranged in the horizontal direction of one side of the lower end of the lower support rod, a fixing frame is arranged on the upper portion of the upper support rod, and a sliding block mechanism is arranged between the fixing frame and the upper support rod. The wheel set is changed to the bracing piece device, in the process that the balance beam of the crown block large wheel set moves to enter and exit the vehicle body, supports from two end faces of the balance beam, completely eliminates a high-risk operation mode of manually supporting the balance beam to enter and exit the vehicle body, and is connected with an adjustable wheel type bracing piece device when the balance beam of the crown block is changed to change the operation mode of manually supporting the balance beam to enter and exit the vehicle body.
Description
Technical Field
The utility model relates to the technical field of safety maintenance, in particular to a supporting rod replacing device for a wheel set.
Background
The bridge crane with large lifting capacity generally adopts a mode of increasing the number of wheels to reduce the wheel pressure, and simultaneously, in order to ensure that the wheel pressure of each wheel is uniformly distributed, two wheel groups are arranged on a balance beam type supporting structure, then the balance beam type supporting structure is fixed on a crown block beam in a shaft connection mode,
the wheel sets are replaced by only disassembling the pin shafts, and the balancing Liang Yichu car body is lifted and replaced by adopting a mode of hanging an electric hoist by using a steel wire rope, wherein 2 wheel sets are respectively arranged on the new and old balancing beams.
In the prior art, when the balance Liang Yichu is always in an unstable state in the process of moving into a vehicle body, the electric hoist is required to be supported by manpower, the electric hoist is used for controlling the tightness of a steel wire rope in a point-to-point manner, the operation efficiency is extremely low, and more importantly, the operation process of replacing the balance beam is accompanied with high safety risk, and the operation mode has serious potential safety hazard.
In the prior art, the crown block wheel replacement supporting device CN 210634344U changes the height of a rolling shaft through a long pin to complete the movement of a jack and the work of a supporting end beam so as to quickly complete the replacement of crown block wheels. The patent is a movable jack, and the patent moves the wheel set through a support rod.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the utility model provides a wheel set support rod replacement device, which solves the problems that in the prior art, when a balance Liang Yichu is always in an unstable state in the process of moving into a vehicle body, the balance Liang Yichu needs to be supported by manpower, the electric hoist is used for controlling the tightness of a steel wire rope in a click manner, the operation efficiency is extremely low, and more importantly, the operation process of replacing a balance beam is accompanied with high safety risk, and the operation mode has serious potential safety hazard.
In order to achieve the above purpose, the utility model is realized by the following technical scheme: the wheel set replacing support rod device comprises a tubular upper support rod and a tubular lower support rod, wherein the upper support rod and the lower support rod are coaxial, the head and the tail are in threaded connection, a wheel set is arranged at one side of the lower end of the lower support rod in the horizontal direction, a fixing frame is arranged at the upper part of the upper support rod, a sliding block mechanism is arranged between the fixing frame and the upper support rod, and is contained by the fixing frame and connected with the upper support rod to ensure the position of the sliding block mechanism;
the wheelset of lower extreme one side of lower extreme of lower support pole includes: the wheel shaft is sleeved into the roller, and is positioned and locked by a bolt;
the top end of the upper supporting rod is provided with a cylinder which is coaxial and connected into a whole, the diameter of the cylinder is smaller than that of the upper supporting rod, and a first key slot is radially processed at the top end of the cylinder;
the fixing frame comprises: the connecting ring and the rectangular bridge connected with one end of the connecting ring into a whole, a chute is processed in the length direction inside the bridge, a natural strip-shaped through notch is formed at the lower end of the bridge, an annular step connected with the end face of the connecting ring of the fixing frame into a whole is processed on the end face of the bridge at the other end of the fixing frame, and a blocking cover is arranged on the end face of the bridge and is fastened and connected by a bolt;
the slider mechanism includes: the sliding block is of an upside-down inverted-Y-shaped structure, a countersunk through hole is axially formed in the middle position of the top end of the sliding block, an upside-down inverted-Y-shaped tubular loose flange is nested in the countersunk through hole, a second key groove is radially formed in the top end of the loose flange, the loose flange is nested on the column body at the top end of the upper supporting rod, the second key groove at the top end of the loose flange corresponds to the first key groove at the top end of the column body, the cover plate is arranged at the top end of the sliding block and is locked by a bolt, and the sliding block mechanism can freely slide in the sliding groove;
the bridge is characterized in that a plurality of through holes are formed in the top end of the bridge, through holes are formed in the top end of the cover plate of the top end of the sliding block mechanism, and meanwhile, the positioning pin shafts are inserted into the through holes in the top end of the bridge and the through holes in the top end of the sliding block mechanism, so that the sliding block mechanism can be fixed in position in the sliding groove.
Preferably, the connecting ring corresponds to the pin shaft through hole of the balance beam of the wheel set, and is fastened by adopting bolt connection, so that the support stabilizing function of at least three points is formed, and the balance beam is pulled by the electric hoist to stably move out of the vehicle body.
The utility model provides a wheel set replacement support rod device. The beneficial effects are as follows:
the wheel set is changed to the bracing piece device, in the process that the balance beam of the crown block large wheel set moves to enter and exit the vehicle body, supports from two end faces of the balance beam, completely eliminates a high-risk operation mode of manually supporting the balance beam to enter and exit the vehicle body, and is connected with an adjustable wheel type bracing piece device when the balance beam of the crown block is changed to change the operation mode of manually supporting the balance beam to enter and exit the vehicle body.
Drawings
FIG. 1 is a schematic view of the present utility model in assembled semi-section;
FIG. 2 is a schematic illustration of a wheel assembly according to the present utility model in semi-section;
FIG. 3 is a schematic view of the upper support rod structure of the present utility model in semi-section;
FIG. 4 is a schematic view of a semi-section of a mounting bracket according to the present utility model;
FIG. 5 is a schematic view of an assembled cross-section of the slider mechanism of the present utility model;
FIG. 6 is a schematic diagram of the structure of the present utility model.
In the figure: 10. an upper support rod; 11. a column; 12. a first keyway; 20. a lower support rod; 30. a wheel set; 31. a roller; 32. a wheel axle; 40. a fixing frame; 41. a connecting ring; 42. crossing a bridge; 43. a chute; 44. a blocking cover; 50. a slider mechanism; 51. a slide block; 52. a countersunk through hole; 53. a looper flange; 54. a second keyway; 55. a cover plate; 60. and positioning the pin shaft.
Description of the embodiments
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-6, the present utility model provides a technical solution: the wheel set replacing support rod device comprises a tubular upper support rod 10 and a tubular lower support rod 20, wherein the upper support rod 10 and the lower support rod 20 are coaxial, the head and the tail are connected by adopting threads, a wheel set 30 is arranged at one side of the lower end of the lower support rod 20 in the horizontal direction, a fixing frame 40 is arranged at the upper part of the upper support rod 10, a sliding block mechanism 50 is arranged between the fixing frame 40 and the upper support rod 10, and the sliding block mechanism 50 is contained by the fixing frame 40 and is connected with the upper support rod 10 so as to ensure the position of the sliding block mechanism;
the wheel set 30 at the lower end side of the lower support bar 20 includes: the wheel 31 and the wheel axle 32, one end of the wheel axle 32 is connected with the lower support rod 20 into a whole, the other end of the wheel axle 32 is provided with threads, the wheel axle 32 is sleeved into the wheel 31, and the wheel axle 32 is positioned and locked by bolts;
the top end of the upper supporting rod 10 is provided with a column 11 which is coaxial and connected into a whole, the diameter of the column 11 is smaller than that of the upper supporting rod 10, and a first key slot 12 is radially processed at the top end of the column 11;
the fixing frame 40 includes: the connecting ring 41 and a rectangular bridge 42 connected with one end of the connecting ring 41 into a whole, wherein a chute 43 is processed in the length direction inside the bridge 42, a natural bar-shaped through notch is formed at the lower end of the bridge 42, an annular step connected with the connecting ring 41 into a whole is processed on the end face of the connecting ring 41 of the fixing frame 40, a blocking cover 44 is arranged on the end face of the bridge 42 at the other end of the fixing frame 40, and the blocking cover is fastened and connected by bolts;
the slider mechanism 50 includes: the sliding block 51 is of an upside-down inverted-Y-shaped structure, a countersunk through hole 52 is axially formed in the middle position of the top end of the sliding block 51, an upside-down inverted-Y-shaped tubular loose flange 53 is nested in the countersunk through hole 52, a second key groove 54 is radially formed in the top end of the loose flange 53, the loose flange 53 is nested on the column 11 at the top end of the upper supporting rod 10, the second key groove 54 at the top end of the loose flange 53 corresponds to the first key groove 12 at the top end of the column 11, locking is performed by adopting a key and a bolt, a cover plate 55 is arranged at the top end of the sliding block 51, locking is performed by adopting a bolt, and the sliding block mechanism 50 can freely slide in the sliding groove 43;
the top end of the bridge 42 is provided with a plurality of through holes, the top end of the cover plate 55 at the top end of the sliding block mechanism 50 is provided with a through hole, and meanwhile, the positioning pin shaft 60 is inserted into the plurality of through holes at the top end of the bridge 42 and the through hole at the top end of the sliding block mechanism 50, so that the position of the sliding block mechanism 50 in the sliding groove 43 can be fixed.
The connecting ring 41 is connected with the connecting ring 41 and corresponds to the pin shaft through hole of the balance beam of the wheel set, and the connecting ring 41 is fastened by adopting bolts to form a supporting and stabilizing function of at least three points, and the balance beam is pulled by the electric hoist to move out of the vehicle body stably.
In summary, the wheel set replacing support rod device supports the balance beam from two end faces of the balance beam in the process of moving the balance beam of the crown block into and out of the vehicle body, so that a high-risk operation mode of manually supporting the balance beam into and out of the vehicle body is completely eliminated, and an adjustable wheel type support rod device is connected with the balance beam in the process of replacing the balance beam of the crown block, so that the operation mode of manually supporting the balance beam into and out of the vehicle body is changed, the mode is time-saving and labor-saving, and potential safety hazards of high-altitude operation are eliminated.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (2)
1. The utility model provides a wheel group changes bracing piece device which characterized in that: the automatic lifting device comprises a tubular upper supporting rod (10), a lower supporting rod (20) and a positioning pin shaft (60), wherein the upper supporting rod (10) and the lower supporting rod (20) are coaxial, the head and the tail are connected by threads, a wheel set (30) is arranged in the horizontal direction at one side of the lower end of the lower supporting rod (20), a fixing frame (40) is arranged at the upper part of the upper supporting rod (10), a sliding block mechanism (50) is arranged between the fixing frame (40) and the upper supporting rod (10), and the sliding block mechanism (50) is contained by the fixing frame (40) and is connected with the upper supporting rod (10) to ensure the position of the sliding block mechanism;
the wheel set (30) on the lower end side of the lower support rod (20) comprises: the wheel comprises a roller (31) and a wheel shaft (32), wherein one end of the wheel shaft (32) is connected with the lower supporting rod (20) into a whole, threads are formed at the other end of the wheel shaft (32), and the wheel shaft (32) is sleeved into the roller (31) and is positioned and locked by bolts;
the top end of the upper supporting rod (10) is provided with a column body (11) which is coaxial and connected into a whole, the diameter of the column body (11) is smaller than that of the upper supporting rod (10), and a first key groove (12) is radially processed at the top end of the column body (11);
the fixing frame (40) comprises: the connecting device comprises a connecting ring (41) and a rectangular bridge (42) connected with one end of the connecting ring (41) into a whole, wherein a sliding groove (43) is formed in the bridge (42) in the inner length direction, a natural strip-shaped through notch is formed at the lower end of the bridge (42), an annular step connected with the connecting ring (41) into a whole is formed on the end face of the connecting ring (41) of the fixing frame (40), a blocking cover (44) is arranged on the end face of the bridge (42) at the other end of the fixing frame (40), and the blocking cover is fastened and connected through bolts;
the slider mechanism (50) includes: the sliding block (51) is of an upside-down inverted-Y-shaped structure, a countersunk through hole (52) is axially formed in the middle of the top end of the sliding block (51), an upside-down inverted-Y-shaped tubular looper flange (53) is nested in the countersunk through hole (52), a second key groove (54) is radially formed in the top end of the looper flange (53), the looper flange (53) is nested on the column (11) at the top end of the upper supporting rod (10), the second key groove (54) at the top end of the looper flange (53) corresponds to the first key groove (12) at the top end of the column (11), a cover plate (55) is arranged at the top end of the sliding block (51), and the sliding block mechanism (50) can freely slide in the chute (43) by adopting a bolt for locking;
the top end of the gap bridge (42) is provided with a plurality of through holes, the top end of the cover plate (55) at the top end of the sliding block mechanism (50) is provided with a through hole, and meanwhile, the positioning pin shaft (60) is inserted into the plurality of through holes at the top end of the gap bridge (42) and the through holes at the top end of the sliding block mechanism (50), so that the position of the sliding block mechanism (50) in the sliding groove (43) can be fixed.
2. A wheel set replacement support bar apparatus as set forth in claim 1, wherein: the connecting ring (41) corresponds to the pin shaft through hole of the balance beam of the wheel set, is fastened by adopting bolt connection, forms the support stabilizing function of at least three points, and the balance beam is pulled to move out of the vehicle body stably by the electric hoist.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321190150.4U CN220149047U (en) | 2023-05-17 | 2023-05-17 | Support rod replacing device for wheel set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321190150.4U CN220149047U (en) | 2023-05-17 | 2023-05-17 | Support rod replacing device for wheel set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220149047U true CN220149047U (en) | 2023-12-08 |
Family
ID=89016708
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321190150.4U Active CN220149047U (en) | 2023-05-17 | 2023-05-17 | Support rod replacing device for wheel set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220149047U (en) |
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2023
- 2023-05-17 CN CN202321190150.4U patent/CN220149047U/en active Active
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